The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2013
Filed:
May. 28, 2010
Mu Seon Im, Gyeonggi-do, KR;
Hyung Woo Park, Gyeonggi-do, KR;
Young Wan Cho, Gyeonggi-do, KR;
Nam Hyeong Kim, Gyeonggi-do, KR;
Ho Sik Cho, Seoul, KR;
Mu Seon Im, Gyeonggi-do, KR;
Hyung Woo Park, Gyeonggi-do, KR;
Young Wan Cho, Gyeonggi-do, KR;
Nam Hyeong Kim, Gyeonggi-do, KR;
Ho Sik Cho, Seoul, KR;
Samsung Electronics Co., Ltd., Yongton-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
Disclosed is an apparatus for recognizing an earphone of a portable terminal that includes an interface unit which is connected to the earphone; a controller which performs a switch operation by determining whether a switch key of the earphone is inputted, according to a change of a current of a first port and a voltage of a second port, when the connection of the earphone is sensed; and an audio processing unit that outputs an audio signal to the earphone under the control of the controller.